a {
    text-decoration: none;
}
div {
    text-align: center;
}
span {
    font: normal 400 12px "宋体"
}
h2 {
    font-weight: 400;
    text-align: center;
}
p {
    text-indent: 2em;
}
.search {
    color: #666;
    width: 170px;
}